 /*******************************************************************************
  * Copyright (c) 2006 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  * IBM Corporation - initial API and implementation
  ******************************************************************************/

 package org.eclipse.ui.menus;

 import org.eclipse.jface.menus.AbstractTrimWidget;
 import org.eclipse.swt.graphics.Point;
 import org.eclipse.ui.IWorkbenchWindow;

 /**
  * Extension for trim widgets contributed to the workbench.
  * The extension point handler will call the <code>init</code>
  * method to inform the contributed widgets as to which
  * workbench window they're currently being hosted in.
  *
  * @since 3.2
  *
  */
 public abstract class AbstractWorkbenchTrimWidget extends AbstractTrimWidget implements IWorkbenchWidget {
     
     private IWorkbenchWindow wbWindow;

     /**
      *
      */
     public AbstractWorkbenchTrimWidget() {
         super();
     }
     

     /**
      * Define the IWorkbenchWindow that this trim is being hosted in.
      * Note that subclasses may extend but should not override. The
      * base implementation caches the value for access through the
      * <code>getWorkbenchWindow</code> method.
      *
      * @see org.eclipse.ui.menus.IWorkbenchWidget#init(org.eclipse.ui.IWorkbenchWindow)
      */
     public void init(IWorkbenchWindow workbenchWindow) {
         wbWindow = workbenchWindow;
     }
     
     /**
      * Convenience method to get the IWorkbenchWindow that is
      * hosting this widget.
      *
      * @return The IWorkbenchWindow hosting this widget.
      */
     public IWorkbenchWindow getWorkbenchWindow() {
         return wbWindow;
     }
     
     /**
      * @return The preferred size of this item
      * @since 3.3
      */
     public Point getPreferredSize() {
         return null;
     }
 }

